private void ThisAddIn_Startup(object sender, System.EventArgs e)
        {
            Microsoft.Office.Interop.Outlook._Application OutlookObject = new Microsoft.Office.Interop.Outlook.Application();
            //Create a new Contact Item
            Microsoft.Office.Interop.Outlook.ContactItem contact = OutlookObject.CreateItem(
                Microsoft.Office.Interop.Outlook.OlItemType.olContactItem);

            //Set different properties of this Contact Item.
            contact.FirstName                 = "Mellissa";
            contact.LastName                  = "MacBeth";
            contact.JobTitle                  = "Account Representative";
            contact.CompanyName               = "Contoso Ltd.";
            contact.OfficeLocation            = "36/2529";
            contact.BusinessTelephoneNumber   = "4255551212 x432";
            contact.BusinessAddressStreet     = "1 Microsoft Way";
            contact.BusinessAddressCity       = "Redmond";
            contact.BusinessAddressState      = "WA";
            contact.BusinessAddressPostalCode = "98052";
            contact.BusinessAddressCountry    = "United States of America";
            contact.Email1Address             = "*****@*****.**";
            contact.Email1AddressType         = "SMTP";
            contact.Email1DisplayName         = "Melissa MacBeth ([email protected])";

            //Save the Contact to disc
            contact.SaveAs("OutlookContact.vcf", OlSaveAsType.olVCard);
        }